Grinding machine



Aug. 30, 1938. w. A. WEI-:D

y GRINDING MACHINE Filed Aug. 17, 1957 m mi? back upon the long portion of the cam, means to move the inner unit in an opposite direction to the movement eiected by the cam, an outer unit for coaction with the inner unit, and means to draw the outer unit toward the inner unit.

WALTER A. WEED. 

